Home / 941,929,215.84-1,299,839,376.60-518,539,435.92

Finding the Fourth Proportional to 941,929,215.84, 1,299,839,376.60 and 518,539,435.92

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Solution

The fourth proportional to 941,929,215.84, 1,299,839,376.60 and 518,539,435.92 is: 715,571,792.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,929,215.84 : 1,299,839,376.60 = 518,539,435.92 : x
  2. Step 2: Convert to fraction form
    941,929,215.84/1,299,839,376.60 = 518,539,435.92/x
  3. Step 3: Cross multiply
    941,929,215.84x = 1,299,839,376.60 × 518,539,435.92
  4. Step 4: Simplify right side
    941,929,215.84x = 674,017,977,128,768,384
  5. Step 5: Solve for x
    x = 674,017,977,128,768,384/941,929,215.84
  6. Step 6: Final answer
    x = 715,571,792.23

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.